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BONY - OUR CUSTOMERS

Cement - Lime - Calcination

French manufacturer of shaped refractory products

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Demanding products

BONY offers a wide range of refractory materials meeting the constraints of calcination processes:

  • Calcination of minerals: rotary kilns for the production of aluminas, chamottes, kaolin, etc.

  • Cement plant: rotary kilns and cyclones (ceiling and convoluted part)

  • Lime: vertical kilns, MAERZ kilns, rotary kilns

The choice of the quality of the refractory material depends on the type of kiln (vertical or rotary), the operating conditions, and the constraints experienced by the zone to be briquetted.

Several parameters must be considered for the selection of refractory linings:

The qualities offered

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In addition to its grades resistant to abrasion (chamotte and bauxite base), corrosion (andalusite – silicon carbide), BONY offers the impregnation of refractories after cooking in order to improve their mechanical properties and their resistance to corrosion.

In the world of cement plants, the operating parameters of rotary kilns are not fixed and impact the lifespan of the refractories.

The evolution of fuels and particularly the increasing use of substitute fuels requires more careful attention to the choice of refractory linings and their adaptation.

Thus, the briquetting of basic refractories (magnesia, magnesia-spinel, magnesia-chromium, etc.) is likely to evolve and non-basic refractories (andalusites, silicon carbide, impregnation, etc.) can provide interesting responses, for example against attacks. alkaline, sulfur or halogenated.

BONY's R&D department develops new qualities meeting the physicochemical specifications requested by its customers: reduction of thermal conductivity, porosity, reduction of Fe2O3 content, etc.

References

  • IMERYS
  • ALTEO
  • SOKA
  • LAFARGE-HOLCIM
  • ITALCEMENTI
  • EQIOM
  • LHOIST
  • SOLVAY
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BONY

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French manufacturing of refractory bricks for industrial ovens

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